About: http://webisa.webdatacommons.org/124786324

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	All audio signals, most notably the users voice, are combined as required by the specific implementation prior to audio switch 302 and indicated as signal 301.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk